UPD72870AF1 Ver la hoja de datos (PDF) - NEC => Renesas Technology

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UPD72870AF1

IEEE1394 1-CHIP OHCI HOST CONTROLLER

NEC => Renesas Technology 

µPD72870A

1.5 PCI/Cardbus Select Signals: (2 pins)

Name

I/O

Pin No.

IOL

Volts(V)

Function

LQFP

FBGA

CARD_ON I 157

B3

-

3.3 PCI/Card Select (1:Cardbus, 0:PCI bus)

Link

CIS_ON

I 156

A3

-

3.3 CIS Register ON

Link

CARD_ON CIS_ON CIS

PME

0

1

Off

PME

0

0

On CSTSCHG

1

X

On CSTSCHG

1.6 Serial ROM Interface Signals: (3 pins)

Name

I/O

Pin No.

IOL

Volts(V)

Function

LQFP

FBGA

GROM_SDA I/O 153

A4

6 mA

3.3 Serial EEPROM Data Input / Output

Link

GROM_SCL O 154

B4

6 mA

3.3 Serial EEPROM Clock Output

Link

GROM_EN I 155

C4

-

3.3 Serial EEPROM Enable

Link

(1: GUID Load enabled, 0: GUID Load disabled)

1.7 Miscellaneous Signal: (1 pin)

Name

I/O

Pin No.

IOL

Volts(V)

Function

LQFP

FBGA

PIN_EN

I 73

P13

-

5/3.3 Pin Enable Input (High clamped)

Link

1.8 IC: (21 pins)

Name

IC(H)

IC(L)

IC(N)

I/O

Pin No.

IOL

LQFP

FBGA

I 75

T13

-

I 99,100

J14,J15

-

I 89,158,159

C3,D4,M14

-

I 91,101,102

H13,J16,M16

-

- 74,76-79,

L14,M13,N15,N16, -

82-84,86-88,92 P14-P16,R13-R15,

T14,T15

Volts(V)

Function

- Internally Connected (High clamped)

Link

- Internally Connected (High clamped) PHY Digital

- Internally Connected (Low clamped)

Link

- Internally Connected (Low clamped) PHY Digital

- Internally Connected (Open)

-

Preliminary Data Sheet S14653EJ1V0DS00

15

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